Wrapping a region of an article

[Stephen Berman <Stephen.Berman@gmx.net>]

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Not infrequently I would like to apply word wrapping to a region of
the article buffer, rather than to the whole buffer, for example, when
the buffer contains a mix of overlong text lines and formatted text
(inlined code, tables, etc.).  In such cases
gnus-article-fill-cited-article (bound to `W w') munges the formatted
text, making it all but unreadable.  Is there a way to do this that I
have overlooked?  (I know I can do 'W w' to read the text with
overlong lines, then do `g' to redisplay the formatted text, but
that's not so nice.)  If not, then I would like to propose the
attached change to gnus-article-fill-cited-article, which wraps an
explicitly selected region of the article buffer, and if there isn't
one, then wraps the whole buffer just as it currently does.  My patch
is against the current Emacs CVS trunk, i.e., Gnus 5.11.  If such a
feature is available in No Gnus, I would like to hear about it.

Steve Berman


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*** gnus-cite.el.~1.22.~	2007-01-21 23:44:37.000000000 +0100
--- gnus-cite.el	2007-07-04 21:39:28.000000000 +0200
***************
*** 493,498 ****
--- 493,500 ----
  
  (defun gnus-article-fill-cited-article (&optional force width)
    "Do word wrapping in the current article.
+ If a region of the article buffer is selected, wrap only that region,
+ otherwise, do wrapping in the entire article buffer.
  If WIDTH (the numerical prefix), use that text width when filling."
    (interactive (list t current-prefix-arg))
    (save-excursion
***************
*** 511,518 ****
  		(fill-prefix
  		 (if (string= (cdar marks) "") ""
  		   (concat (cdar marks) " ")))
  		use-hard-newlines)
! 	    (fill-region (point-min) (point-max)))
  	  (set-marker (caar marks) nil)
  	  (setq marks (cdr marks)))
  	(when marks
--- 513,526 ----
  		(fill-prefix
  		 (if (string= (cdar marks) "") ""
  		   (concat (cdar marks) " ")))
+ 		(beg (if mark-active
+ 			 (max (region-beginning) (point-min))
+ 		       (point-min)))
+ 		(end (if (and mark-active (> (region-end) (point-min)))
+ 			 (min (region-end) (point-max))
+ 		       (point-max)))
  		use-hard-newlines)
! 	    (fill-region beg end))
  	  (set-marker (caar marks) nil)
  	  (setq marks (cdr marks)))
  	(when marks